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Replacing the ECPU Board Before Turning Off Power-All Procedures <br /> Required Software Module Optional Memory SEM Module Replaceable Battery Backup Sw(Sl) <br /> Module(either J1 Lithium Battery &DIP Sw 1-4(S2) <br /> (either J1 or J2 slot) <br /> or d2 slot) <br /> L TO DISPLAY TO YBOARD \ Rx Tx <br /> J? 0............ ------- <br /> ........... . <br /> U? <br /> J, U31 <br /> J2 <br /> 117J <br /> ------------ -------- <br /> ------------ ------------ <br /> -------------- <br /> U2,____i U----,, U10 U12:----- <br /> --- <br /> ------------ U41 -1. <br /> U,, <br /> Y2 <br /> ...... ..... <br /> ------------ <br /> J,3 <br /> ------- --------------- <br /> 330713001 8326 - <br /> \--- Installed Compone <br /> ECPU Board Group U4 U36 R126 R127 <br /> 330743-001 <br /> 330743-002 <br /> PLCC Chip in <br /> DIP Chip a DIP Adapter <br /> WE Remove the TILS Setup <br /> Storage Device from your <br /> existing ecpu board(one of 2 <br /> examples shown at left) <br /> OR and put it in the same position <br /> on the new ecpu board. <br /> DO NOT install more than <br /> ONE TLS Setup Storage device! <br /> I u-11 T0018PUY TOKEYBOARD RX TTxx <br /> 0 <br /> ::-- 1 -1 ;+5'S+ <br /> 5 +7i ' -'1+5+h'1%5+; <br /> J3 <br /> ED <br /> J,1 U31 <br /> U35 <br /> --------------------------------- <br /> -------- ------- <br /> UV Ug,__._i U9. ------ a:U13 a U23 ------------ ------------ <br /> V32 <br /> un <br /> o 0 80 <br /> 0)01 <br /> 1, S <br /> U,* U, <br /> P ------------- ------------ <br /> -------------' <br /> L139 <br /> U2:- US,____ ------ 2 <br /> ----- CO- <br /> ____________iUJE <br /> E <br /> ------ U36 U40 U42 <br /> LM <br /> 330743-M1 R176 <br /> Figure 2. ECPU Board Layout with Surface Mounted Components <br /> 7 <br />